720161930

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{80107}}^1$

素因数の和:80174

約数の個数: 32

約数和(自身を含む): 1384266240

約数和(自身を除く): 664104310

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 4495, 8990, 80107, 160214, 400535, 801070, 2323103, 2483317, 4646206, 4966634, 11615515, 12416585, 23231030, 24833170, 72016193, 144032386, 360080965, 720161930]

約数ペア:

[(1, 720161930), (2, 360080965), (5, 144032386), (10, 72016193), (29, 24833170), (31, 23231030), (58, 12416585), (62, 11615515), (145, 4966634), (155, 4646206), (290, 2483317), (310, 2323103), (899, 801070), (1798, 400535), (4495, 160214), (8990, 80107)]